Synonyms: 2H-Pyran-2-one,5,6-dihydro-4-methoxy-6-(2-phenylethenyl)-, (E)-(?à)-; 2H-Pyran-2-one, 5,6-dihydro-4-methoxy-6-styryl-, (?à)- (8CI); (?à)-Kavain; (?à)-Kawain; 2H-Pyran-2-one,5,6-dihydro-4-methoxy-6-(2-phenylethenyl)-, (E)-; DL-Kawain; dl-Kavain